Have you considered getting a new car soon? It can be difficult knowing which model to choose on the market. You have some great used cars out there that can save you money without sacrificing quality, but you also have clean cars that put less strain on the environment. For those starting to tear their hair out at all the options, you’ll be happy to know the diesel engine is the answer to what ails you. Considered incredibly energy efficient and ideal for an increasingly cluttered environment, the diesel engine is becoming one of the most popular choices for Americans who need to drive smart.